A human mission to Mars will last more than 8 months, each way. Ship quarters will be sardine-esque. Communications will be laggy and intermittent. And, despite the thrilling nature of the larger mission, astronauts en route to the Red Planet will likely struggle with psyche-crushing boredom. So how might an astronaut… »7/18/13 7:40am 7/18/13 7:40am